Microflex
®
MX180BP Series User Guide
Wired Lavalier Microphones
27D3033 (Rev. 5)
©
2005, Shure Incorporated
Printed in U.S.A.
GENERAL
Models MX183BP, MX184BP,
and
MX185BP
are wired lavalier
electret condenser microphones designed for speech and vocal
pickup. They can be clipped to neckties, lapels, and other articles
of clothing. Interchangeable cartridges make it possible to easily
reconfigure microphone coverage as the need arises.
The sup-
plied MX1BP battery-powered preamplifier allows use of these mi-
crophones in situations where phantom power is not available.
FEATURES
•
Wide dynamic range and frequency response for accurate
sound reproduction across the audio spectrum
•
Interchangeable cartridges that provide an optimal choice
for each application
•
Rotatable tie-clip that pivots in 90
°
increments for
placement flexibility
•
Supplied snap-fit foam windscreen that controls breath
noise and stays on securely
•
Balanced transformer output for increased immunity to
noise over long cable runs
•
Supplied dual tie clip holds two microphones for dual
miking applications
•
MX1BP preamplifier with Mic Mute/On switch and Power
LED. It will operate with either a 9 V battery or phantom
power
APPLICATIONS
MX183BP (Omnidirectional):
Recommended for general pur-
pose sound reinforcement, recording, or remote monitoring appli-
cations. Pickup angle = 360
°
.
MX184BP (Supercardioid):
Recommended for sound reinforce-
ment applications requiring high rejection of ambient noise and
narrow pickup angle. Use of windscreen is highly recommended.
Pickup angle (-3 dB) = 115
°
.
MX185BP (Cardioid):
Recommended for general purpose sound
reinforcement applications requiring good rejection of ambient
noise. Use of windscreen highly recommended. Pickup angle (-3
dB) = 130
°
.
GENERAL RULES FOR LAVALIER MICROPHONE USE
1.
Attach the lavalier microphone approximately 76 to 152 mm
(3 to 6 in.) below the neckline for the best sound.
2.
Do not cover the microphone with your hand or clothing.
3.
Use one of the supplied windscreens to minimize wind
and breath noise.
4.
If four or more microphones will be active at any given
time, use of an automatic mixer, such as the Shure
SCM810
or FP410, is recommended.
TIE CLIP AND WINDSCREEN INSTALLATION
1.
Insert the top of the microphone through tie clip loop from be-
low until tie clip loop snaps into place over the lower groove on
the microphone. Refer to Figure 1.
2.
To install the snap-fit windscreen, press it down on the micro-
phone until it clicks into place over the upper groove on the mi-
crophone. The snap-fit windscreen provides 30 dB of “pop”
protection.
NOTE:
The snap-fit windscreen can be removed by spreading the
slot in the plastic-fit ring. To install the smaller foam windscreen,
slip the windscreen over the top of the microphone so that it covers
the side slots. The foam windscreen provides 5 to 10 dB of “pop”
protection.
FIGURE 1
MX1BP BATTERY INSTALLATION
1.
Move the Mic Mute/On switch on the preamplifier to the Mute
position.
2.
Press down on the OPEN side of the battery compartment
cover, slide it back and flip it open. Refer to Figure .
3.
Insert a 9 V battery, observing proper battery polarity (“+/-”).
Close the battery compartment cover.
4.
Move the Mic Mute/On switch on the preamplifier to the On
position when ready to use the system.
NOTE
: A minimal power drain occurs while the 9 V battery is in-
stalled. To conserve battery life, remove the battery when pream-
plifier is not
in use.
FIGURE 2
– +
